dotage vs senility

dotage and senility both are nouns.

Word	Noun	Adjective	Verb	Adverb
dotage	Yes	No	No	No
senility	Yes	No	No	No

As nouns, dotage and senility are synonyms defined as:

dotage and senility: mental infirmity as a consequence of old age; sometimes shown by foolish infatuations

Other synonyms of dotage include second childhood.

dotage (noun)	senility (noun)
mental infirmity as a consequence of old age; sometimes shown by foolish infatuations	the state of being senile
	mental infirmity as a consequence of old age; sometimes shown by foolish infatuations